<template>
  <div id="app">
    <h1>Hello {{message}}</h1>
    <input type="text" v-model="message">
  </div>
</template>

<style type="text/css">
  #app {
    text-align: center;
    color: #f60;
  }

</style>

<script type="text/javascript">
  export default {
    data () {
      return {
        message: 'world'
      }
    }
  }

</script>